Gagnoa experiences a hot and humid climate year-round. The dry season, which typically runs from December to May, brings high temperatures with average highs ranging from 30°C in March to 32-33°C in the peak months of April and May. In contrast, the wet season, spanning June to November, sees slightly lower temperatures, but still warm, with averages around 28-29°C. The temperature range is relatively consistent throughout the year, with little variation between seasons.